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Hirtz compass : ウィキペディア英語版 | Hirtz compass
The Hirtz compass is a medical device previously used to determine the location and aid the removal of bullets and shrapnel in a patient's body.〔(【引用サイトリンク】title=Hirtz's compass for locating bullets, Paris, France, 1915 )〕〔(【引用サイトリンク】title=The Horse Soldier )〕 The device would be used by a surgeon who would, with the help of x-ray photographs, precisely remove the foreign object.〔 The device would usually give a location within 1 or 2 millimeters of the foreign object. At its peak, the average rate of projectile removal when the device was used by local surgeons reached approximately 90%. The device was extensively used during World War I. ==History== The Hirtz compass was invented in 1907 by E. J. Hirtz, a French radiologist working at a military hospital.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Hirtz compass」の詳細全文を読む
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